Developer
<?php
namespace PhpOffice\PhpSpreadsheet\Helper;
use PhpOffice\PhpSpreadsheet\Exception;
class Downloader
{
protected string $filepath;
protected string $filename;
protected string $filetype;
protected const CONTENT_TYPES = [
'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
'xls' => 'application/vnd.ms-excel',
'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
'csv' => 'text/csv',
'html' => 'text/html',
'pdf' => 'application/pdf',
];
public function __construct(string $folder, string $filename, ?string $filetype = null)
{
if ((is_dir($folder) === false) || (is_readable($folder) === false)) {
throw new Exception("Folder {$folder} is not accessable");
}
$filepath = "{$folder}/{$filename}";
$this->filepath = (string) realpath($filepath);
$this->filename = basename($filepath);
if ((file_exists($this->filepath) === false) || (is_readable($this->filepath) === false)) {
throw new Exception("{$this->filename} not found, or cannot be read");
}
$filetype ??= pathinfo($filename, PATHINFO_EXTENSION);
if (array_key_exists(strtolower($filetype), self::CONTENT_TYPES) === false) {
throw new Exception("Invalid filetype: {$filetype} cannot be downloaded");
}
$this->filetype = strtolower($filetype);
}
public function download(): void
{
$this->headers();
readfile($this->filepath);
}
public function headers(): void
{
ob_clean();
$this->contentType();
$this->contentDisposition();
$this->cacheHeaders();
$this->fileSize();
flush();
}
protected function contentType(): void
{
header('Content-Type: ' . self::CONTENT_TYPES[$this->filetype]);
}
protected function contentDisposition(): void
{
header('Content-Disposition: attachment;filename="' . $this->filename . '"');
}
protected function cacheHeaders(): void
{
header('Cache-Control: max-age=0');
// If you're serving to IE 9, then the following may be needed
header('Cache-Control: max-age=1');
// If you're serving to IE over SSL, then the following may be needed
header('Expires: Mon, 26 Jul 1997 05:00:00 GMT'); // Date in the past
header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT'); // always modified
header('Cache-Control: cache, must-revalidate'); // HTTP/1.1
header('Pragma: public'); // HTTP/1.0
}
protected function fileSize(): void
{
header('Content-Length: ' . filesize($this->filepath));
}
}
Developer
Initiates a new payment transaction.
| Parameter | Type | Details |
|---|---|---|
| amount | decimal | Your Amount , Must be rounded at 2 precision. |
| currency | string | Currency Code, Must be in Upper Case (Alpha-3 code) |
| success_url | string | Enter your return or success URL |
| cancel_url | string (optional) | Enter your cancel or failed URL |
Request Example (guzzle)
<?php
require_once('vendor/autoload.php');
$client = new \GuzzleHttp\Client();
$response = $client->request('POST', $base_url.'create-order', [
'headers' => [
'Authorization' => 'Bearer '. $authorizationToken,
'accept' => 'application/json',
'content-type' => 'application/json',
],
'form_params' => [
'amount' => '$amount',
'currency' => 'currency',
'success_url' => 'success_url',
'cancel_url' => 'cancel_url',
],
]);
echo $response->getBody();
**Response: SUCCESS (200 OK)**
{
"message": {
"success": [
"Order created successfully."
]
},
"data": {
"redirect_url":"https://example.com/login/OISADFDFSDFSF",
"order_details":{
"amount" : "10",
"fixed_charge" : 2,
"percent_charge" : 1,
"total_charge" : 3,
"total_payable" : 13,
"currency" : "USD",
"expiry_time": "2024-04-25T06:48:35.984285Z",
"success_url": "http://127.0.0.1/nfcpay/user/transaction/success",
"cancel_url": "http://127.0.0.1/nfcpay/user/transaction/cancel"
}
},
"type": "success"
}
**Response: ERROR (400 FAILED)**
{
"message": {
"error": [
"Invalid token."
]
},
"data": null,
"type": "error"
}